1833: Benjamin Harrison, the 23rd president of the United States, was born in North Bend, Ohio.

1914: German forces occupied Brussels, Belgium, during World War I.

1918: Britain opened an offensive on the Western front during World War I.

1940: British Prime Minister Winston Churchill paid tribute to the Royal Air Force, saying, "Never in the field of human conflict was so much owed by so many to so few."

1953: The Soviet Union publicly acknowledged it had tested a hydrogen bomb.

1955: Hundreds of people were killed in anti-French rioting in Morocco and Algeria.

1964: President Lyndon B. Johnson signed a nearly $1 billion anti-poverty measure.

1968: The Soviet Union and other Warsaw Pact nations invaded Czechoslovakia to crush the ''Prague Spring'' liberalization drive of Alexander Dubcek's regime.

1977: The United States launched Voyager 2, an unmanned spacecraft carrying a 12-inch copper phonograph record containing greetings in dozens of languages, samples of music and sounds of nature.

1992: The Republican National Convention in Houston nominated President George H.W. Bush and Vice President Dan Quayle for a second term.

1998: Retaliating 13 days after the deadly embassy bombings in East Africa, the United States launched cruise missile strikes against al-Qaida training camps in Afghanistan and what was described as a chemical plant in Sudan.

2006: Former Associated Press photographer Joe Rosenthal, who had taken the iconic Iwo Jima flag-raising picture during World War II, died at age 94.